package lezione10;

interface I1 { void f(); }

interface I5 { void f(); }

interface I2 { int f(int i); }

interface I3 { int f(); }


class C { 
	public int f() { 
		return 1; 
	} 

}

class C2 implements I1, I2 {
  public void f() {}
  public int f(int i) { return 1; } // overloaded
}

class C3 extends C implements I2 {
  public int f(int i) { return 1; } // overloaded
}

class C4 extends C implements I3 {
  // Identical, no problem:
  public int f() { return 1; }
}

// Methods differ only by return type:
//class C5 extends C implements I1 {}
// interface I4 extends I1, I3 {} ///:~
// class C6 implements I1, I5 {}
